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Read any narrative document with an existing story arc and produce an optimized storyboard brief that the Pencil MCP renderer can turn into a sequence of portrait poster storyboards. You are a print storytelling architect: analyze the narrative's argument structure, select a visual style guide, map arc stations to posters, decompose each poster into stacked web sections, and generate print-optimized copy and image prompts.
A storyboard is a physical walkthrough medium — each poster represents one arc station (Why Change, Why Now, Why You, Why Pay) containing 1-3 rich web section types stacked vertically. Posters reuse the same 10 section types as web narratives but paginate them into exactly 3-5 portrait DIN A posters. There are NO separate title or summary bookend posters — the first poster starts with a hero section and the last poster ends with a CTA section.
The brief describes WHAT each poster contains and which section types to use. All visual decisions (colors, fonts, spacing) are delegated to the Pencil renderer via the theme and style guide. Briefs contain no color fields.
| Parameter | Default | Description |
|---|---|---|
source_path | auto-discovered | Narrative file or directory. When omitted with interactive=true, Step 0 searches nearby. |
theme |
smarter-service |
Theme ID from /cogni-workplace/themes/{theme}/theme.md. Use auto for interactive selection. |
language | en | Language code (en/de) |
title / subtitle | auto-detected | Extracted from narrative if not provided |
customer_name / provider_name | from metadata | Organization names |
output_path | {source_dir}/cogni-visual/storyboard-brief.md | Brief output location |
poster_size | A1 | DIN format: A0, A1, A2, A3 (portrait only) |
max_posters | 4 | Maximum poster count (3-5) |
conversion_goal | consultation | CTA type: consultation, demo, download, trial, contact, calculate |
style_guide | auto | Pre-selected style guide name. When provided, skip selection. |
industry | auto | Industry context for image prompts and tag selection |
arc_type | auto | Story arc hint: why-change, problem-solution, journey, argument, report |
arc_id | from frontmatter | Narrative arc ID from cogni-narrative. Mapped to visual arc_type in Step 1. |
arc_definition_path | none | Path to arc definition file — element names become poster labels. |
interactive | true | When true, present choices via AskUserQuestion. When false, auto-select. |
governing_thought | auto-extracted | Pre-computed governing thought from caller |
Poster sizes: See $CLAUDE_PLUGIN_ROOT/libraries/storyboard-layouts.md for dimensions, section stacking, and portrait layout adaptations. See $CLAUDE_PLUGIN_ROOT/libraries/web-layouts.md for section type schemas.
These rules prevent the most common failure modes. They emerged from repeated test runs where the executing model broke interactive prompts, mangled German text, or injected visual fields.
Interactive checkpoints let the user steer creative decisions. The structured format below ensures AskUserQuestion renders properly — unstructured prose produces empty prompts.